My gcc version is 4.8.3 20140624. I can use is_pod, is_trivial, is_standard_layout, but fail when trying is_trivially_copyable, is_constructible and is_default_
porting
sub-array
gwt-gin
cypress-testing-library
timecodes
libx265
spring-boot-cloud-streams
symfony4
extentreports
elasticsearch-percolate">elasticsearch-percolate
carthage
disable-caching
email-parsing
ray-picking
light
afnetworking-3
chrome-ios
gradle.properties
short-circuit-evaluation
octet-stream
ctl
twilio-programmable-voice
skia
iboutletcollection
conduktor
password-autofill
vichuploaderbundle
google-iap
poptoviewcontroller
zebra-printers
elasticsearch-percolate